地膜

介绍了废旧PE薄膜或包装袋净化、造粒方法及其与新料共混生产地膜的工艺条件，所得再生PE地膜的指标符合国家标准。

The purification and the granulation of recycled PE film or packing bag and the processing condition of preparing mulch film were presented . The specification of reworked PE mulch film could meet the domestic standard .

地膜厚度越大，膜中释放出的DEHP越多，蔬菜累积DEHP的量亦高。

In addition , the greater the thickness of mulch film , the higher the DEHP amount released from the film to air , and caused more DEHP accumulation in the vegetables .

农田塑料薄膜（地膜）污染对土壤环境危害很大，覆膜灌溉技术可能会增加其复杂性。

The plastic sheeting used in farmland extremely pollutes and sabotages the soil environment .

地膜覆盖对土壤中N2O释放的影响

Effects of clear plastic film mulching on soil N_2O discharge flux

PC系列光敏催化剂用于快速降解农用地膜。

PC Series photo catalyst was used for photosensitizer in the farm PE film .

2冬小麦的不同生育期地膜覆盖的农作措施显著的增加了土壤中N2O排放通量。种小麦处理与不种小麦处理相比，土壤中N2O排放通量明显较高。

Soil N2O discharge flux became higher than the checks due to mulch and planting wheat in the winter wheat growing stages .

含铁光敏剂在LDPE降解地膜中的应用研究

Application development of ferric light - sensitive agent in degradable LDPE mulching film

含羧酸铈光敏剂及其配合体系的LDPE地膜的应用

Applied Studies of LDPE Agricultural film Containing Cerium Carboxylate Sensitizer and its Mixed System

另外，覆盖栽培增强了旱植水稻对营养元素N、P、K的吸收能力，其中以地膜覆盖处理最为明显。

Otherwise , mulching cultivation enhanced the absorption ability to N , P and K , among them , the treatment of plastic film mulching was most obvious . 6 .

介绍PVC黄色自粘薄膜和LDPE银色地膜在蔬菜、花卉和其他经济作物植物保护、虫情疫报中的应用。

The applications of yellow PVC film and slivery white LDPE mulching film in vegetable protection and insect prevention are presented .

实验结果表明，DSC技术对于定性和半定量分析LDPE/LLDPE共混地膜的主要组分是一种快速、有效、准确的手段。

Experimental results show that DSC isa rapid , effective and accurate method for analyzing main component ofLDPE / LLDPE blend mulching films .

地膜覆盖能使土壤N2O排放量和耕层不同层次中的脲酶活性升高；

The plastic film mulching would increase the N 2O emission and urease activity in different soil layers .

地膜覆盖增加了SS的流失，对于其他污染物来说，地膜覆盖降低了污染物随径流的流失。

The plastic mulching increases the drain of SS . To other contaminant , the plastic mulching decreases the drain of contaminant with runoff .

长期地膜覆盖对棕壤剖面中NH4~+-N和NO3~&N动态变化的影响

Effect of Long-term Covering with Plastic Film on NH_4 ~ + - N and NO_3 ~ & N in Depth Profile of Brown Earth

通径分析结果表明：根际高浓度的CO2是影响普通地膜覆盖番茄根、叶活力的主要因素。

The path analysis in this paper showed that high CO 2 concentration of root zone under the plastic film mulch was the major factor which limited the activities of roots and leaves of tomatoes .

随着降雨量的增大，农田径流污染流失总量增加，地膜覆盖对径流中除SS外其他污染物流失的削减效果也增加。

Along with the increase of rainfall , the total quantity of runoff pollution which is washed away increase . The effect which plastic mulching impairs the drain of contaminant except SS is become obvious .

在甜柿建园中，通过ABT生根粉，SAP高效抗旱保水剂和地膜覆盖技术的应用，可显著提高造林成活率和苗木生长量；

By applied with ABT rootage powder , high efficiently anti-drought protectors and covered with plastic film in setting up Sweet Persimmon orchard , surviving rate and growth yield of forestation increase remarkably .

黑色地膜覆盖可在早期提高土壤0~5cm层的日平均地温3℃左右，使土壤水分变化平稳、保水性好，提高速效养分N、P、K的利用率；

Black film mulching could raise the average daily soil temperature in plough layers of 0 ~ 5 cm by 3 ℃ in early stage , which could make water change steadily , raise soil capacity of water conservation and using efficiency of soil available N , P and K.

以铝粉为吸收光介质做成银灰母料，与基础树脂LLDPE混合、挤出吹塑做成降解聚乙烯避蚜地膜，铝粉含量为18%～30%。

By means of addition silver gray masterbatches containing 1.8 % ~ 3.0 % aluminium powder into LLDPE , the degradable PE mulch films used for expelling aphids were made through blending extrusion .

地膜覆盖条件下，0～2cm表土层的养分较难被烟株利用；

Mineral nutrients on top soil ( 0 ~ 2cm ) is difficult to be absorbed by plant if tobacco field is covered by plastic film .

研究了不同结构受阻胺光稳定剂及其与其它光稳定剂并用条件下对PE的稳定效能，从而研制出耐大气老化性能优异的LLDPE地膜。

The stabilization effectiveness of hindered amine light stabilizers of different structure and the combinations of the stabilizer with other kinds of stabilizer on the photooxidation of PE were studied . As a result LLDPE mulch films of high weather & resistance were developed .

结果表明，地膜、保水剂、PAM和间作方式有利于大垄沟较好地保持土壤水分，其保水能力分别比平种高出17.4%、8.5%、11.6%、5.3%；

The results showed that the treatments of plastic film , aquasorb , PAM and intercropping could improve soil water effectively , and the water content of these treatment was 17.4 % , 8.5 % , 11.6 % and 5.3 % more than level planting respectively .

通过综合分析，认为D3处理最佳。为砂田双覆盖，同时具备了砂田、地膜、小拱棚三种覆盖方式的优点，水、温度条件好，出苗早、早成熟、产量高，市场优势明显。

To sum up , the optimum treatment was D3 as the advantage ( superior of water , temperature , germination , maturation and yield ), which assembled of the advantages of sandy field , plastic film cover , and shed .

NTS播前与常规耕作（T）、传统耕作结合秸秆还田（TS）、免耕地膜覆盖（NTP）的0～5㎝土层全碳含量差异极显著。

The total organic carbon in NTS is extremely significant difference in 0 ~ 5 ㎝ layer with conventional tillage with no straw ( T ), conventional tillage with straw incorporated ( TS ), no - till with plastic mulch ( NTP ) before sowing .

结果表明：地膜覆盖栽培在促进烤烟植株生长的同时，也促进了烟株腋芽的生长，尤以栽后20d破膜掏苗的为甚。

The result showed that plastic film could promote axillary bud development as well as tobacco plant growth , The effect of seedling stuck out of plastic film in the 20th day after setting seedling on axillary bud development and tobacco plant growth was the most significance among three treatments .

秸秆覆盖和秸秆地膜共同覆盖可以显著提高表层土壤的含水量，在烤烟生长的前中期，其深层土壤含水量低于对照，随着烤烟的生长，各层土壤含水量逐渐增加。

Water content in each layer increased gradually with tobacco growth .

地膜棉田化学除草研究简报

Studies on chemical weed control in cotton mulching with plastic film

液体地膜覆盖对棉花根系生长发育的影响

Effects of liquid film mulching on cotton root growth and development

地膜覆盖旱直播栽培对水稻产量及群体冠层特性的影响

Effects of Polythene Mulch Cultivation on Rice Yield and Canopy Properties

地膜覆盖对鲜食葡萄果实及新梢生长发育的影响

Effect of Mulching Film to Fruits and Shoot Growth in Grape